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Diffstat (limited to 'utils/src/main/java/org')
7 files changed, 1087 insertions, 0 deletions
diff --git a/utils/src/main/java/org/onap/policy/common/utils/properties/PropertyConfiguration.java b/utils/src/main/java/org/onap/policy/common/utils/properties/PropertyConfiguration.java new file mode 100644 index 00000000..7253c746 --- /dev/null +++ b/utils/src/main/java/org/onap/policy/common/utils/properties/PropertyConfiguration.java @@ -0,0 +1,465 @@ +/* + * ============LICENSE_START======================================================= + * ONAP Policy Engine - Common Modules + * ================================================================================ + * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.common.utils.properties; + +import java.lang.annotation.ElementType; +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.lang.annotation.Target; +import java.lang.reflect.Field; +import java.lang.reflect.Modifier; +import java.util.Properties; +import org.onap.policy.common.utils.properties.exception.PropertyAccessException; +import org.onap.policy.common.utils.properties.exception.PropertyException; +import org.onap.policy.common.utils.properties.exception.PropertyInvalidException; +import org.onap.policy.common.utils.properties.exception.PropertyMissingException; + +/** + * Configuration whose fields are initialized by reading from a set of {@link Properties}, + * as directed by the {@link Property} annotations that appear on fields within the + * subclass. + * <p> + * It is possible that an invalid <i>defaultValue</i> is specified via the + * {@link Property} annotation. This could remain undetected until an optional property is + * left out of the {@link Properties}. Consequently, this class will always validate a + * {@link Property}'s default value, if the <i>defaultValue</i> is not empty or if + * <i>accept</i> includes the "empty" option. + */ +public class PropertyConfiguration { + + /** + * The "empty" option that may appear within the {@link Property}'s <i>accept</i> + * attribute. + */ + public static final String ACCEPT_EMPTY = "empty"; + + /** + * Constructs a configuration, without populating any fields; fields should be + * populated later by invoking {@link #setAllFields(Properties)}. + */ + public PropertyConfiguration() { + super(); + } + + /** + * Initializes each "@Property" field with its value, as found in the properties. + * + * @param props properties from which to extract the values + * @throws PropertyException if an error occurs + */ + public PropertyConfiguration(Properties props) throws PropertyException { + setAllFields(props); + } + + /** + * Walks the class hierarchy of "this" object, populating fields defined in each + * class, using values extracted from the given property set. + * + * @param props properties from which to extract the values + * @throws PropertyException if an error occurs + */ + public void setAllFields(Properties props) throws PropertyException { + Class<?> clazz = getClass(); + + while (clazz != PropertyConfiguration.class) { + for (Field field : clazz.getDeclaredFields()) { + setValue(field, props); + } + + clazz = clazz.getSuperclass(); + } + } + + /** + * Sets a field's value, within an object, based on what's in the properties. + * + * @param field field whose value is to be set + * @param props properties from which to get the value + * @return {@code true} if the property's value was set, {@code false} otherwise + * @throws PropertyException if an error occurs + */ + protected boolean setValue(Field field, Properties props) throws PropertyException { + Property prop = field.getAnnotation(Property.class); + if (prop == null) { + return false; + } + + checkModifiable(field, prop); + + if (setValue(field, props, prop)) { + return true; + } + + throw new PropertyAccessException(prop.name(), field.getName(), "unsupported field type"); + } + + /** + * Sets a field's value from a particular property. + * + * @param field field whose value is to be set + * @param props properties from which to get the value + * @param prop property of interest + * @return {@code true} if the property's value was set, {@code false} otherwise + * @throws PropertyException if an error occurs + */ + protected boolean setValue(Field field, Properties props, Property prop) throws PropertyException { + + try { + Object val = getValue(field, props, prop); + if (val == null) { + return false; + + } else { + + /* + * According to java docs & blogs, "field" is our own copy, so we're free + * to change the flags without impacting the real permissions of the field + * within the real class. + */ + field.setAccessible(true); + + field.set(this, val); + return true; + } + + } catch (IllegalArgumentException e) { + throw new PropertyInvalidException(prop.name(), field.getName(), e); + + } catch (IllegalAccessException e) { + throw new PropertyAccessException(prop.name(), field.getName(), e); + } + } + + /** + * Gets a property value, coercing it to the field's type. + * + * @param field field whose value is to be set + * @param props properties from which to get the value + * @param prop property of interest + * @return the value extracted from the property, or {@code null} if the field type is + * not supported + * @throws PropertyException if an error occurs + */ + protected Object getValue(Field field, Properties props, Property prop) throws PropertyException { + + Class<?> clazz = field.getType(); + String fieldName = field.getName(); + + // can still add support for short, float, double, enum + + if (clazz == String.class) { + return getStringValue(fieldName, props, prop); + + } else if (clazz == Boolean.class || clazz == boolean.class) { + return getBooleanValue(fieldName, props, prop); + + } else if (clazz == Integer.class || clazz == int.class) { + return getIntegerValue(fieldName, props, prop); + + } else if (clazz == Long.class || clazz == long.class) { + return getLongValue(fieldName, props, prop); + + } else { + return null; + } + } + + /** + * Verifies that the field can be modified, i.e., it's neither <i>static</i>, nor + * <i>final</i>. + * + * @param field field whose value is to be set + * @param prop property of interest + * @throws PropertyAccessException if the field is not modifiable + */ + protected void checkModifiable(Field field, Property prop) throws PropertyAccessException { + int mod = field.getModifiers(); + + if (Modifier.isStatic(mod)) { + throw new PropertyAccessException(prop.name(), field.getName(), "'static' variable cannot be modified"); + } + + if (Modifier.isFinal(mod)) { + throw new PropertyAccessException(prop.name(), field.getName(), "'final' variable cannot be modified"); + } + } + + /** + * Gets a property value, coercing it to a String. + * + * @param fieldName field whose value is to be set + * @param props properties from which to get the value + * @param prop property of interest + * @return the value extracted from the property + * @throws PropertyException if an error occurs + */ + protected String getStringValue(String fieldName, Properties props, Property prop) throws PropertyException { + + /* + * Note: the default value for a String type is always valid, thus no need to + * check it. + */ + + return getPropValue(fieldName, props, prop); + } + + /** + * Gets a property value, coercing it to a Boolean. + * + * @param fieldName field whose value is to be set + * @param props properties from which to get the value + * @param prop property of interest + * @return the value extracted from the property + * @throws PropertyException if an error occurs + */ + protected Boolean getBooleanValue(String fieldName, Properties props, Property prop) throws PropertyException { + // validate the default value + checkDefaultValue(fieldName, prop, xxx -> makeBoolean(fieldName, prop, prop.defaultValue())); + + return makeBoolean(fieldName, prop, getPropValue(fieldName, props, prop)); + } + + /** + * Gets a property value, coercing it to an Integer. + * + * @param fieldName field whose value is to be set + * @param props properties from which to get the value + * @param prop property of interest + * @return the value extracted from the property + * @throws PropertyException if an error occurs + */ + protected Integer getIntegerValue(String fieldName, Properties props, Property prop) throws PropertyException { + // validate the default value + checkDefaultValue(fieldName, prop, xxx -> makeInteger(fieldName, prop, prop.defaultValue())); + + return makeInteger(fieldName, prop, getPropValue(fieldName, props, prop)); + } + + /** + * Gets a property value, coercing it to a Long. + * + * @param fieldName field whose value is to be set + * @param props properties from which to get the value + * @param prop property of interest + * @return the value extracted from the property + * @throws PropertyException if an error occurs + */ + protected Long getLongValue(String fieldName, Properties props, Property prop) throws PropertyException { + // validate the default value + checkDefaultValue(fieldName, prop, xxx -> makeLong(fieldName, prop, prop.defaultValue())); + + return makeLong(fieldName, prop, getPropValue(fieldName, props, prop)); + } + + /** + * Gets a value from the property set. + * + * @param fieldName field whose value is to be set + * @param props properties from which to get the value + * @param prop property of interest + * @return the value extracted from the property, or the <i>defaultValue</i> if the + * value does not exist + * @throws PropertyMissingException if the property does not exist and the + * <i>defaultValue</i> is empty and <i>emptyOk</i> is {@code false} + */ + protected String getPropValue(String fieldName, Properties props, Property prop) throws PropertyMissingException { + String propnm = prop.name(); + + String val = getRawPropertyValue(props, propnm); + if (val != null && isEmptyOk(prop, val)) { + return val; + } + + val = prop.defaultValue(); + if (val != null && isEmptyOk(prop, val)) { + return val; + } + + throw new PropertyMissingException(prop.name(), fieldName); + } + + /** + * Gets the property value, straight from the property set. + * + * @param props properties from which to get the value + * @param propnm name of the property of interest + * @return + */ + protected String getRawPropertyValue(Properties props, String propnm) { + return props.getProperty(propnm); + } + + /** + * Coerces a String value into a Boolean. + * + * @param fieldName field whose value is to be set + * @param prop property of interest + * @param value value to be coerced + * @return the Boolean value represented by the String value + * @throws PropertyInvalidException if the value does not represent a valid Boolean + */ + private Boolean makeBoolean(String fieldName, Property prop, String value) throws PropertyInvalidException { + if ("true".equals(value.toLowerCase())) { + return Boolean.TRUE; + + } else if ("false".equals(value.toLowerCase())) { + return Boolean.FALSE; + + } else { + throw new PropertyInvalidException(prop.name(), fieldName, "expecting 'true' or 'false'"); + } + } + + /** + * Coerces a String value into an Integer. + * + * @param fieldName field whose value is to be set + * @param prop property of interest + * @param value value to be coerced + * @return the Integer value represented by the String value + * @throws PropertyInvalidException if the value does not represent a valid Integer + */ + private Integer makeInteger(String fieldName, Property prop, String value) throws PropertyInvalidException { + try { + return Integer.valueOf(value); + + } catch (NumberFormatException e) { + throw new PropertyInvalidException(prop.name(), fieldName, e); + } + } + + /** + * Coerces a String value into a Long. + * + * @param fieldName field whose value is to be set + * @param prop property of interest + * @param value value to be coerced + * @return the Long value represented by the String value + * @throws PropertyInvalidException if the value does not represent a valid Long + */ + private Long makeLong(String fieldName, Property prop, String value) throws PropertyInvalidException { + try { + return Long.valueOf(value); + + } catch (NumberFormatException e) { + throw new PropertyInvalidException(prop.name(), fieldName, e); + } + } + + /** + * Applies a function to check a property's default value. If the function throws an + * exception about an invalid property, then it's re-thrown as an exception about an + * invalid <i>defaultValue</i>. + * + * @param fieldName name of the field being checked + * @param prop property of interest + * @param func function to invoke to check the default value + */ + private void checkDefaultValue(String fieldName, Property prop, CheckDefaultValueFunction func) + throws PropertyInvalidException { + + if (isEmptyOk(prop, prop.defaultValue())) { + try { + func.apply(null); + + } catch (PropertyInvalidException ex) { + throw new PropertyInvalidException(ex.getPropertyName(), fieldName, "defaultValue is invalid", + ex.getCause()); + } + } + } + + /** + * Determines if a value is OK, even if it's empty. + * + * @param prop property specifying what's acceptable + * @param value value to be checked + * @return {@code true} if the value is not empty or empty is allowed, {@code false} + * otherwise + */ + protected boolean isEmptyOk(Property prop, String value) { + return !value.isEmpty() || isEmptyOk(prop); + } + + /** + * Determines if a {@link Property}'s <i>accept</i> attribute includes the "empty" + * option. + * + * @param prop property whose <i>accept</i> attribute is to be examined + * @return {@code true} if the <i>accept</i> attribute includes "empty" + */ + protected boolean isEmptyOk(Property prop) { + for (String option : prop.accept().split(",")) { + if (ACCEPT_EMPTY.equals(option)) { + return true; + } + } + + return false; + } + + /** + * Functions to check a default value. + */ + @FunctionalInterface + private static interface CheckDefaultValueFunction { + + /** + * Checks the default value. + * + * @param arg always {@code null} + * @throws PropertyInvalidException if an error occurs + */ + public void apply(Void arg) throws PropertyInvalidException; + } + + /** + * Annotation that declares a variable to be configured via {@link Properties}. + */ + @Target(ElementType.FIELD) + @Retention(RetentionPolicy.RUNTIME) + + protected static @interface Property { + + /** + * Name of the property. + * + * @return the property name + */ + public String name(); + + /** + * Default value, used when the property does not exist. + * + * @return the default value + */ + public String defaultValue() default ""; + + /** + * Comma-separated options identifying what's acceptable. The word, "empty", + * indicates that an empty string, "", is an acceptable value. + * + * @return options identifying what's acceptable + */ + public String accept() default ""; + + } +} diff --git a/utils/src/main/java/org/onap/policy/common/utils/properties/SpecPropertyConfiguration.java b/utils/src/main/java/org/onap/policy/common/utils/properties/SpecPropertyConfiguration.java new file mode 100644 index 00000000..9e3767c1 --- /dev/null +++ b/utils/src/main/java/org/onap/policy/common/utils/properties/SpecPropertyConfiguration.java @@ -0,0 +1,233 @@ +/* + * ============LICENSE_START======================================================= + * ONAP Policy Engine - Common Modules + * ================================================================================ + * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.common.utils.properties; + +import java.util.Properties; +import java.util.regex.Matcher; +import java.util.regex.Pattern; +import org.onap.policy.common.utils.properties.exception.PropertyException; + +/** + * PropertyConfiguration whose property names are specialized, using a specialization. A + * property name can take one of the following forms: + * <dl> + * <dt>aaa{$}Ddd</dt> + * <dd>if the specialization is "Xxx", then it looks for the value associated with the + * property named "aaaXxxDdd"</dd> + * <dt>aaa{Bbb?Ccc}Ddd</dt> + * <dd>if the specialization is "Xxx", then it looks for the value associated with the + * property named "aaaBbbXxxCccDdd". If the property does not exist, then it looks for the + * value associated with the property named "aaaDdd" (i.e., without the + * specialization)</dd> + * <dt>aaa</dt> + * <dd>simply looks for the value associated with the property named "aaa", without using + * the specialization</dd> + * </dl> + * <p> + * In the above examples, any of the components (e.g., "aaa") may be empty. + */ +public class SpecPropertyConfiguration extends PropertyConfiguration { + + /** + * Pattern to extract the specializer from a property name. Group 1 matches the form, + * "{$}", while groups 2 and 3 match the prefix and suffix, respectively, of the form, + * "{prefix?suffix}". + */ + private static final Pattern SPEC_PAT = Pattern.compile("" + // start of specialization info + + "\\{(?:" + // specialization type 1 + + "(\\$)" + // alternative + + "|" + // specialization type 2 + + "(?:" + // specialization type 2 prefix, may be empty + + "([^}?]*)" + // place-holder for the specialization, itself + + "\\?" + // specialization type 2 suffix, may be empty + + "([^}]*)" + // end of specialization type 2 + + ")" + // end of specialization info + + ")\\}"); + + /** + * The specialization to be used within property names. + */ + private final String specialization; + + /** + * Constructs a configuration, without populating any fields; fields should be + * populated later by invoking {@link #setAllFields(Properties)}. + * + * @param specialization specialization to be substituted within property names + */ + public SpecPropertyConfiguration(String specialization) { + super(); + + this.specialization = specialization; + } + + /** + * + * Initializes each "@Property" field with its value, as found in the properties. + * + * @param specialization specialization to be substituted within property names + * @param props properties from which to extract the values + * @throws PropertyException if an error occurs + */ + public SpecPropertyConfiguration(String specialization, Properties props) throws PropertyException { + super(); + + this.specialization = specialization; + + setAllFields(props); + } + + /** + * Gets a property's value, examining the property name for each of the types of + * specialization. + */ + @Override + protected String getRawPropertyValue(Properties props, String propnm) { + Matcher mat = SPEC_PAT.matcher(propnm); + + if (!mat.find()) { + // property name isn't specialized - use it as is + return super.getRawPropertyValue(props, propnm); + + } else if (mat.group(1) != null) { + // replace "{$}" with the specialization name + return super.getRawPropertyValue(props, specializeType1(propnm, specialization, mat)); + + } else { + // first try to get the property using the specialization info + String val = super.getRawPropertyValue(props, specializeType2(propnm, specialization, mat)); + if (val != null) { + return val; + } + + // wasn't found - try again, without any specialization info + return super.getRawPropertyValue(props, generalizeType2(propnm, mat)); + } + } + + /** + * Generalizes a property name by stripping any specialization info from it. This is + * typically used to construct property names for junit testing. + * + * @param propnm property name to be stripped of specialization info + * @return the generalized property name + * @throws IllegalArgumentException if the property name requires specialization + * (i.e., contains "{$}") + */ + public static String generalize(String propnm) { + Matcher mat = SPEC_PAT.matcher(propnm); + + if (!mat.find()) { + // property name has no specialization info + return propnm; + + } else if (mat.group(1) != null) { + // the "{$}" form requires specialization + throw new IllegalArgumentException("property requires specialization"); + + } else { + // property name has specialization info - strip it out + return generalizeType2(propnm, mat); + } + } + + /** + * + * Generalizes a property name of specialization type 2 (i.e., "{xxx?yyy}" form). + * + * @param propnm property name to be stripped of specialization info + * @param matcher the matcher that matched the "{xxx?yyy}" + * @return the generalized property name + */ + private static String generalizeType2(String propnm, Matcher mat) { + String prefix = propnm.substring(0, mat.start()); + String suffix = propnm.substring(mat.end()); + + return prefix + suffix; + } + + /** + * Specializes a property name by applying the specialization. This is typically used + * to construct property names for junit testing. + * + * @param propnm property name to be stripped of specialization info + * @param spec specialization to apply + * @return the specialized property name + */ + public static String specialize(String propnm, String spec) { + Matcher mat = SPEC_PAT.matcher(propnm); + + if (!mat.find()) { + // property name has no specialization info - leave it as is + return propnm; + + } else if (mat.group(1) != null) { + // the "{$}" form requires specialization + return specializeType1(propnm, spec, mat); + + } else { + // the "{xxx?yyy}" form requires specialization + return specializeType2(propnm, spec, mat); + } + } + + /** + * Specializes a property name of specialization type 1 (i.e., "{$}" form). + * + * @param propnm property name to be stripped of specialization info + * @param spec specialization to apply + * @param matcher the matcher that matched the "{$}" + * @return the specialized property name + */ + private static String specializeType1(String propnm, String spec, Matcher mat) { + String prefix = propnm.substring(0, mat.start()); + String suffix = propnm.substring(mat.end()); + + return prefix + spec + suffix; + } + + /** + * Specializes a property name of specialization type 2 (i.e., "{xxx?yyy}" form). + * + * @param propnm property name to be stripped of specialization info + * @param spec specialization to apply + * @param matcher the matcher that matched the "{xxx?yyy}" + * @return the specialized property name + */ + private static String specializeType2(String propnm, String spec, Matcher matcher) { + String prefix = propnm.substring(0, matcher.start()); + String suffix = propnm.substring(matcher.end()); + + String specPrefix = matcher.group(2); + String specSuffix = matcher.group(3); + + return (prefix + specPrefix + spec + specSuffix + suffix); + } +} diff --git a/utils/src/main/java/org/onap/policy/common/utils/properties/exception/PropertyAccessException.java b/utils/src/main/java/org/onap/policy/common/utils/properties/exception/PropertyAccessException.java new file mode 100644 index 00000000..568a8a79 --- /dev/null +++ b/utils/src/main/java/org/onap/policy/common/utils/properties/exception/PropertyAccessException.java @@ -0,0 +1,70 @@ +/* + * ============LICENSE_START======================================================= + * ONAP Policy Engine - Common Modules + * ================================================================================ + * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.common.utils.properties.exception; + +/** + * Exception indicating that a property's value cannot be converted to the type required + * by the target field. + */ +public class PropertyAccessException extends PropertyException { + private static final long serialVersionUID = 1L; + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + */ + public PropertyAccessException(String propnm, String fieldName) { + super(propnm, fieldName); + } + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + * @param message error message + */ + public PropertyAccessException(String propnm, String fieldName, String message) { + super(propnm, fieldName, message); + } + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + * @param cause cause of the exception + */ + public PropertyAccessException(String propnm, String fieldName, Throwable cause) { + super(propnm, fieldName, cause); + } + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + * @param message error message + * @param cause cause of the exception + */ + public PropertyAccessException(String propnm, String fieldName, String message, Throwable cause) { + super(propnm, fieldName, message, cause); + } + +} diff --git a/utils/src/main/java/org/onap/policy/common/utils/properties/exception/PropertyAnnotationException.java b/utils/src/main/java/org/onap/policy/common/utils/properties/exception/PropertyAnnotationException.java new file mode 100644 index 00000000..2803ddfe --- /dev/null +++ b/utils/src/main/java/org/onap/policy/common/utils/properties/exception/PropertyAnnotationException.java @@ -0,0 +1,69 @@ +/* + * ============LICENSE_START======================================================= + * ONAP Policy Engine - Common Modules + * ================================================================================ + * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.common.utils.properties.exception; + +/** + * Exception indicating that a property annotation's definition (e.g., null name). + */ +public class PropertyAnnotationException extends PropertyException { + private static final long serialVersionUID = 1L; + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + */ + public PropertyAnnotationException(String propnm, String fieldName) { + super(propnm, fieldName); + } + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + * @param message error message + */ + public PropertyAnnotationException(String propnm, String fieldName, String message) { + super(propnm, fieldName, message); + } + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + * @param cause cause of the exception + */ + public PropertyAnnotationException(String propnm, String fieldName, Throwable cause) { + super(propnm, fieldName, cause); + } + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + * @param message error message + * @param cause cause of the exception + */ + public PropertyAnnotationException(String propnm, String fieldName, String message, Throwable cause) { + super(propnm, fieldName, message, cause); + } + +} diff --git a/utils/src/main/java/org/onap/policy/common/utils/properties/exception/PropertyException.java b/utils/src/main/java/org/onap/policy/common/utils/properties/exception/PropertyException.java new file mode 100644 index 00000000..8df4fb8e --- /dev/null +++ b/utils/src/main/java/org/onap/policy/common/utils/properties/exception/PropertyException.java @@ -0,0 +1,142 @@ +/* + * ============LICENSE_START======================================================= + * ONAP Policy Engine - Common Modules + * ================================================================================ + * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.common.utils.properties.exception; + +/** + * Exception associated with a Property. + */ +public class PropertyException extends Exception { + private static final long serialVersionUID = 1L; + + /** + * Name of the property for which the exception was thrown. + */ + private final String propertyName; + + /** + * Name of the field for which the exception was thrown. + */ + private final String fieldName; + + /** + * + * @param propName name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + */ + public PropertyException(String propName, String fieldName) { + super(makeMessage(propName, fieldName)); + + this.propertyName = propName; + this.fieldName = fieldName; + } + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + * @param message error message + */ + public PropertyException(String propnm, String fieldName, String message) { + super(makeMessage(propnm, fieldName, message)); + + this.propertyName = propnm; + this.fieldName = fieldName; + } + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + * @param cause cause of the exception + */ + public PropertyException(String propnm, String fieldName, Throwable cause) { + super(makeMessage(propnm, fieldName), cause); + + this.propertyName = propnm; + this.fieldName = fieldName; + } + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + * @param message error message + * @param cause cause of the exception + */ + public PropertyException(String propnm, String fieldName, String message, Throwable cause) { + super(makeMessage(propnm, fieldName, message), cause); + + this.propertyName = propnm; + this.fieldName = fieldName; + } + + /** + * + * @return name of the property for which the exception was thrown, or {@code null} if + * no name was provided + */ + public String getPropertyName() { + return propertyName; + } + + /** + * + * @return name of the field for which the exception was thrown, or {@code null} if no + * field was provided + */ + public String getFieldName() { + return fieldName; + } + + /** + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + * @param message error message, never {@code null} + * @return an error message composed of the three items + */ + private static String makeMessage(String propnm, String fieldName, String message) { + return makeMessage(propnm, fieldName) + ": " + message; + } + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + * @return an error message composed of the two items + */ + private static String makeMessage(String propnm, String fieldName) { + StringBuilder bldr = new StringBuilder(50); + + if (propnm == null) { + bldr.append("property exception"); + + } else { + bldr.append("exception for property " + propnm); + } + + if (fieldName != null) { + bldr.append(" with field " + fieldName); + } + + return bldr.toString(); + } + +} diff --git a/utils/src/main/java/org/onap/policy/common/utils/properties/exception/PropertyInvalidException.java b/utils/src/main/java/org/onap/policy/common/utils/properties/exception/PropertyInvalidException.java new file mode 100644 index 00000000..da1b6ae8 --- /dev/null +++ b/utils/src/main/java/org/onap/policy/common/utils/properties/exception/PropertyInvalidException.java @@ -0,0 +1,70 @@ +/* + * ============LICENSE_START======================================================= + * ONAP Policy Engine - Common Modules + * ================================================================================ + * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.common.utils.properties.exception; + +/** + * Exception indicating that a property's value cannot be converted to the type required + * by the target field. + */ +public class PropertyInvalidException extends PropertyException { + private static final long serialVersionUID = 1L; + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + */ + public PropertyInvalidException(String propnm, String fieldName) { + super(propnm, fieldName); + } + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + * @param message error message + */ + public PropertyInvalidException(String propnm, String fieldName, String message) { + super(propnm, fieldName, message); + } + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + * @param cause cause of the exception + */ + public PropertyInvalidException(String propnm, String fieldName, Throwable cause) { + super(propnm, fieldName, cause); + } + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + * @param message error message + * @param cause cause of the exception + */ + public PropertyInvalidException(String propnm, String fieldName, String message, Throwable cause) { + super(propnm, fieldName, message, cause); + } + +} diff --git a/utils/src/main/java/org/onap/policy/common/utils/properties/exception/PropertyMissingException.java b/utils/src/main/java/org/onap/policy/common/utils/properties/exception/PropertyMissingException.java new file mode 100644 index 00000000..de542e6a --- /dev/null +++ b/utils/src/main/java/org/onap/policy/common/utils/properties/exception/PropertyMissingException.java @@ -0,0 +1,38 @@ +/* + * ============LICENSE_START======================================================= + * ONAP Policy Engine - Common Modules + * ================================================================================ + * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.common.utils.properties.exception; + +/** + * Exception indicating that a property is missing. + */ +public class PropertyMissingException extends PropertyException { + private static final long serialVersionUID = 1L; + + /** + * + * @param propnm name of the property causing the exception, or {@code null} + * @param fieldName name of the field causing the exception, or {@code null} + */ + public PropertyMissingException(String propnm, String fieldName) { + super(propnm, fieldName); + } + +} |